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Title: Television viewing and child cognition in a longitudinal birth cohort in Singapore: the role of maternal factors
Authors: Aishworiya R 
Cai S 
Chen HY 
Phua DY
Broekman BFP 
Daniel LM 
Chong YS 
Shek LP 
Yap F 
Chan SY 
Meaney MJ 
Law EC 
Keywords: Child cognition
Maternal education
Maternal mental health
Media exposure
Screen time
Issue Date: 16-Aug-2019
Publisher: BioMed Central Ltd.
Citation: Aishworiya R, Cai S, Chen HY, Phua DY, Broekman BFP, Daniel LM, Chong YS, Shek LP, Yap F, Chan SY, Meaney MJ, Law EC (2019-08-16). Television viewing and child cognition in a longitudinal birth cohort in Singapore: the role of maternal factors. BMC Pediatrics 19 (1) : 286. ScholarBank@NUS Repository.
Abstract: Background: Although infant media exposure has received attention for its implications on child development, upstream risk factors contributing to media exposure have rarely been explored. The study aim was to examine the relationship between maternal risk factors, infant television (TV) viewing, and later child cognition. Methods: We used a prospective population-based birth cohort study, Growing Up in Singapore Towards healthy Outcomes (GUSTO), with 1247 pregnant mothers recruited in their first trimester. We first explored the relationship of infant TV exposure at 12 months and the composite IQ score at 4.5 years, as measured by the Kaufman Brief Intelligence Test, Second Edition (KBIT-2). Multivariable linear regressions were adjusted for maternal education, maternal mental health, child variables, birth parameters, and other relevant confounders. We then examined the associations of maternal risk factors with the amount of daily TV viewing of 12-month-old infants. Path analysis followed, to test a conceptual model designed a priori to test our hypotheses. Results: The average amount of TV viewing at 12 months was 2.0 h/day (SD 1.9). TV viewing in hours per day was a significant exposure variable for composite IQ (ß = - 1.55; 95% CI: - 2.81 to - 0.28) and verbal IQ (ß = - 1.77; 95% CI: - 3.22 to - 0.32) at 4.5 years. Our path analysis demonstrated that lower maternal education and worse maternal mood (standardized ß = - 0.27 and 0.14, respectively, p < 0.01 for both variables) were both risk factors for more media exposure. This path analysis also showed that maternal mood and infant TV strongly mediated the relationship between maternal education and child cognition, with an exceptional model fit (CFI > 0.99, AIC 15249.82, RMSEA < 0.001). Conclusion: Infant TV exposure has a negative association with later cognition. Lower maternal education and suboptimal maternal mental health are risk factors for greater television viewing. Paediatricians have a role in considering and addressing early risks that may encourage television viewing. © 2019 The Author(s).
Source Title: BMC Pediatrics
ISSN: 14712431
DOI: 10.1186/s12887-019-1651-z
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